The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 24, 2018
Filed:
May. 31, 2011
Applicant:
Jorgen Hallundbæk, Graested, DK;
Inventor:
Jorgen Hallundbæk, Graested, DK;
Assignee:
WELLTEC A/S, Allerod, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/01 (2012.01); E21B 47/10 (2012.01); E21B 47/00 (2012.01); G01V 1/50 (2006.01);
U.S. Cl.
CPC ...
E21B 47/01 (2013.01); E21B 47/0003 (2013.01); E21B 47/10 (2013.01); G01V 1/50 (2013.01);
Abstract
A wellbore surveillance system obtains fluid reservoir information data, such as the position and amount of gas, oil and/or water, while draining hydrocarbons from an oil or gas field via a casing in a wellbore in a formation. The casing has a vertical part near a top of the casing and an inner face, the system comprising a first sensor for measuring a content of gas, oil and/or water in the formation, and a second sensor for measuring a content of gas, oil and/or water in the formation.